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<a href="zoom_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// This may look like C code, but it is really -*- C++ -*-</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">// Copyright Bob Friesenhahn, 2001, 2002, 2003</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// Copyright @ 2013 ImageMagick Studio LLC, a non-profit organization</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">// dedicated to making software imaging solutions freely available.</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">// Resize image using specified resize algorithm with Magick++ API</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">// Usage: zoom [-density resolution] [-filter algorithm] [-geometry geometry]</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">//             [-resample resolution] input_file output_file</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;</div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="Magick_09_09_8h.html">Magick++.h</a>&gt;</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="keyword">using namespace </span><a class="code" href="https://imagemagick.org/api/Magick++/namespacestd.html">std</a>; </div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="keyword">using namespace </span><a class="code" href="namespaceMagick.html">Magick</a>;</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="zoom_8cpp.html#a2212cadf18ac91aea061ec8f8ec06784">   20</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="zoom_8cpp.html#a2212cadf18ac91aea061ec8f8ec06784">Usage</a> ( <span class="keywordtype">char</span> **argv )</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;{</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;  cout &lt;&lt; <span class="stringliteral">&quot;Usage: &quot;</span> &lt;&lt; argv[0]</div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;       &lt;&lt; <span class="stringliteral">&quot; [-density resolution] [-filter algorithm] [-geometry geometry]&quot;</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;       &lt;&lt; <span class="stringliteral">&quot; [-resample resolution] input_file output_file&quot;</span> &lt;&lt; endl</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;       &lt;&lt; <span class="stringliteral">&quot;   algorithm - bessel blackman box catrom cubic gaussian hamming hanning&quot;</span> &lt;&lt; endl</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;       &lt;&lt; <span class="stringliteral">&quot;     hermite lanczos mitchell point quadratic sample scale sinc triangle&quot;</span> &lt;&lt; endl;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;  exit(1);</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;}</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">   30</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a> (<span class="keywordtype">int</span> position, <span class="keywordtype">char</span> **argv)</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;{</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;  cout &lt;&lt; <span class="stringliteral">&quot;Argument \&quot;&quot;</span> &lt;&lt;  argv[position] &lt;&lt; <span class="stringliteral">&quot;\&quot; at position&quot;</span> &lt;&lt; position</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;       &lt;&lt; <span class="stringliteral">&quot;incorrect&quot;</span> &lt;&lt; endl;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;  <a class="code" href="zoom_8cpp.html#a2212cadf18ac91aea061ec8f8ec06784">Usage</a>(argv);</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;}</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="zoom_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627">   37</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="zoom_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a>(<span class="keywordtype">int</span> argc,<span class="keywordtype">char</span> **argv) </div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;{</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;  <span class="comment">// Initialize ImageMagick install location for Windows</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;  <a class="code" href="namespaceMagick.html#ae9a4f92303d2fc6074f91181db864be1">InitializeMagick</a>(*argv);</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;  <span class="keywordflow">if</span> ( argc &lt; 2 )</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    <a class="code" href="zoom_8cpp.html#a2212cadf18ac91aea061ec8f8ec06784">Usage</a>(argv);</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;  <span class="keyword">enum</span> ResizeAlgorithm</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;  {</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    Zoom,</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    Scale,</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    Sample</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;  };</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;  {</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <a class="code" href="classMagick_1_1Geometry.html">Geometry</a> geometry;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    Magick::FilterType filter(LanczosFilter);</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <a class="code" href="classMagick_1_1Point.html">Point</a> density;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <a class="code" href="classMagick_1_1Point.html">Point</a> resample;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    ResizeAlgorithm resize_algorithm=Zoom;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    <span class="keywordtype">int</span> argv_index=1;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="keywordflow">while</span> ((argv_index &lt; argc - 2) &amp;&amp; (*argv[argv_index] == <span class="charliteral">&#39;-&#39;</span>))</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;      {</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        std::string command(argv[argv_index]);</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        <span class="keywordflow">if</span> (command.compare(<span class="stringliteral">&quot;-density&quot;</span>) == 0)</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;          {</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;            argv_index++;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;            <span class="keywordflow">try</span> {</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;              density=<a class="code" href="namespaceMagick.html#a3af933f0beb32b965e32f79f95e9871c">Geometry</a>(argv[argv_index]);</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;            }</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;            <span class="keywordflow">catch</span>( exception &amp;<span class="comment">/* error_ */</span>)</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;              {</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;                <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a>(argv_index,argv);</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;              }</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;            argv_index++;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;            <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;          }</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (command.compare(<span class="stringliteral">&quot;-filter&quot;</span>) == 0)</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;          {</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;            argv_index++;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;            std::string algorithm(argv[argv_index]);</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;            <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;point&quot;</span>) == 0)</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;              filter=PointFilter;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;box&quot;</span>) == 0)</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;              filter=BoxFilter;</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;triangle&quot;</span>) == 0)</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;              filter=TriangleFilter;</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;hermite&quot;</span>) == 0)</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;              filter=HermiteFilter;</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;hanning&quot;</span>) == 0)</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;              filter=HanningFilter;</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;hamming&quot;</span>) == 0)</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;              filter=HammingFilter;</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;blackman&quot;</span>) == 0)</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;              filter=BlackmanFilter;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;gaussian&quot;</span>) == 0)</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;              filter=GaussianFilter;</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;quadratic&quot;</span>) == 0)</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;              filter=QuadraticFilter;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;cubic&quot;</span>) == 0)</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;              filter=CubicFilter;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;catrom&quot;</span>) == 0)</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;              filter=CatromFilter;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;mitchell&quot;</span>) == 0)</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;              filter=MitchellFilter;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;lanczos&quot;</span>) == 0)</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;              filter=LanczosFilter;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;bessel&quot;</span>) == 0)</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;              filter=BesselFilter;</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;sinc&quot;</span>) == 0)</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;              filter=SincFilter;</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;sample&quot;</span>) == 0)</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;              resize_algorithm=Sample;</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">&quot;scale&quot;</span>) == 0)</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;              resize_algorithm=Scale;</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;            <span class="keywordflow">else</span></div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;              <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a>(argv_index,argv);</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;            argv_index++;</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;            <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;          }</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (command.compare(<span class="stringliteral">&quot;-geometry&quot;</span>) == 0)</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;          {</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;            argv_index++;</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;            <span class="keywordflow">try</span> {</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;              geometry=<a class="code" href="namespaceMagick.html#a3af933f0beb32b965e32f79f95e9871c">Geometry</a>(argv[argv_index]);</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;            }</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;            <span class="keywordflow">catch</span>( exception &amp;<span class="comment">/* error_ */</span>)</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;              {</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;                <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a>(argv_index,argv);</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;              }</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;            argv_index++;</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;            <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;          }</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (command.compare(<span class="stringliteral">&quot;-resample&quot;</span>) == 0)</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;          {</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;            argv_index++;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;            <span class="keywordflow">try</span> {</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;              resample=<a class="code" href="namespaceMagick.html#a3af933f0beb32b965e32f79f95e9871c">Geometry</a>(argv[argv_index]);</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;            }</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;            <span class="keywordflow">catch</span>( exception &amp;<span class="comment">/* error_ */</span>)</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;              {</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;                <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a>(argv_index,argv);</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;              }</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;            argv_index++;</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;            <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;          }</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a>(argv_index,argv);</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;      }</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    <span class="keywordflow">if</span> (argv_index&gt;argc-1)</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;      <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a>(argv_index,argv);</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    std::string input_file(argv[argv_index]);</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    argv_index++;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    <span class="keywordflow">if</span> (argv_index&gt;argc)</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;      <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a>(argv_index,argv);</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    std::string output_file(argv[argv_index]);</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    <span class="keywordflow">try</span> {</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;      <a class="code" href="classMagick_1_1Image.html">Image</a> image(input_file);</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;      <span class="keywordflow">if</span> (density.<a class="code" href="classMagick_1_1Point.html#af9db13d6b883bb5ea959b45c1bd35236">isValid</a>())</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;        image.<a class="code" href="classMagick_1_1Image.html#a0a60678e324b686cb05d1006018639b6">density</a>(density);</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;      density=image.<a class="code" href="classMagick_1_1Image.html#a0a60678e324b686cb05d1006018639b6">density</a>();</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;      <span class="keywordflow">if</span> (resample.<a class="code" href="classMagick_1_1Point.html#af9db13d6b883bb5ea959b45c1bd35236">isValid</a>())</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;        {</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;          geometry =</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;            <a class="code" href="namespaceMagick.html#a3af933f0beb32b965e32f79f95e9871c">Geometry</a>(static_cast&lt;size_t&gt;</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;                     (image.<a class="code" href="classMagick_1_1Image.html#a1f61d13e9fc82b75cd62e7da46e2c7fc">columns</a>()*((double)resample.<a class="code" href="classMagick_1_1Point.html#a5f48bcf1243f465cb27c814e638334fc">x</a>()/density.<a class="code" href="classMagick_1_1Point.html#a5f48bcf1243f465cb27c814e638334fc">x</a>())+0.5),</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;                     <span class="keyword">static_cast&lt;</span><span class="keywordtype">size_t</span><span class="keyword">&gt;</span></div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;                     (image.<a class="code" href="classMagick_1_1Image.html#a4110bebbe7a1fe8f4c6219b0bf45f598">rows</a>()*((double)resample.<a class="code" href="classMagick_1_1Point.html#ae8a8dec67dc89dd273793089337fa060">y</a>()/density.<a class="code" href="classMagick_1_1Point.html#ae8a8dec67dc89dd273793089337fa060">y</a>())+0.5));</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;          image.<a class="code" href="classMagick_1_1Image.html#a0a60678e324b686cb05d1006018639b6">density</a>(resample);</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        }</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;      <span class="keywordflow">switch</span> (resize_algorithm)</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        {</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;        <span class="keywordflow">case</span> Sample:</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;          image.<a class="code" href="classMagick_1_1Image.html#a3a367bfa1e18948e10b6112499f440b6">sample</a>(geometry);</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;          <span class="keywordflow">break</span>;</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        <span class="keywordflow">case</span> Scale:</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;          image.<a class="code" href="classMagick_1_1Image.html#a4a76381e3457d7c61364ac3ba8ea31e3">scale</a>(geometry);</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;          <span class="keywordflow">break</span>;</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        <span class="keywordflow">case</span> Zoom:</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;          image.<a class="code" href="classMagick_1_1Image.html#a49248d3d82636aac7e32998c6b681be0">filterType</a>(filter);</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;          image.<a class="code" href="classMagick_1_1Image.html#a31985f9b3d2cc1819c0946b085c531fd">zoom</a>(geometry);</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;          <span class="keywordflow">break</span>;</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;        }</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;      image.<a class="code" href="classMagick_1_1Image.html#a420ec15b7829356e03db0a5f6a91771e">write</a>(output_file);</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    }</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    <span class="keywordflow">catch</span>( exception &amp;error_ )</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;      {</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        cout &lt;&lt; <span class="stringliteral">&quot;Caught exception: &quot;</span> &lt;&lt; error_.what() &lt;&lt; endl;</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;      }</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;  }</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;}</div><div class="ttc" id="classMagick_1_1Point_html"><div class="ttname"><a href="classMagick_1_1Point.html">Magick::Point</a></div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8h_source.html#l00208">Geometry.h:208</a></div></div>
<div class="ttc" id="classMagick_1_1Image_html_a0a60678e324b686cb05d1006018639b6"><div class="ttname"><a href="classMagick_1_1Image.html#a0a60678e324b686cb05d1006018639b6">Magick::Image::density</a></div><div class="ttdeci">void density(const Point &amp;density_)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l00653">Image.cpp:653</a></div></div>
<div class="ttc" id="classMagick_1_1Point_html_af9db13d6b883bb5ea959b45c1bd35236"><div class="ttname"><a href="classMagick_1_1Point.html#af9db13d6b883bb5ea959b45c1bd35236">Magick::Point::isValid</a></div><div class="ttdeci">bool isValid() const</div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8cpp_source.html#l00698">Geometry.cpp:698</a></div></div>
<div class="ttc" id="namespacestd_html"><div class="ttname"><a href="https://imagemagick.org/api/Magick++/namespacestd.html">std</a></div><div class="ttdoc">STL namespace. </div></div>
<div class="ttc" id="classMagick_1_1Image_html_a420ec15b7829356e03db0a5f6a91771e"><div class="ttname"><a href="classMagick_1_1Image.html#a420ec15b7829356e03db0a5f6a91771e">Magick::Image::write</a></div><div class="ttdeci">void write(Blob *blob_)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l04896">Image.cpp:4896</a></div></div>
<div class="ttc" id="classMagick_1_1Image_html_a31985f9b3d2cc1819c0946b085c531fd"><div class="ttname"><a href="classMagick_1_1Image.html#a31985f9b3d2cc1819c0946b085c531fd">Magick::Image::zoom</a></div><div class="ttdeci">void zoom(const Geometry &amp;geometry_)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l04997">Image.cpp:4997</a></div></div>
<div class="ttc" id="Magick_09_09_8h_html"><div class="ttname"><a href="Magick_09_09_8h.html">Magick++.h</a></div></div>
<div class="ttc" id="classMagick_1_1Image_html_a49248d3d82636aac7e32998c6b681be0"><div class="ttname"><a href="classMagick_1_1Image.html#a49248d3d82636aac7e32998c6b681be0">Magick::Image::filterType</a></div><div class="ttdeci">void filterType(const FilterType filterType_)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l00841">Image.cpp:841</a></div></div>
<div class="ttc" id="zoom_8cpp_html_aae00e57f09e2e0aee50ff112715113e3"><div class="ttname"><a href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a></div><div class="ttdeci">static void ParseError(int position, char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="zoom_8cpp_source.html#l00030">zoom.cpp:30</a></div></div>
<div class="ttc" id="namespaceMagick_html_a3af933f0beb32b965e32f79f95e9871c"><div class="ttname"><a href="namespaceMagick.html#a3af933f0beb32b965e32f79f95e9871c">Magick::Geometry</a></div><div class="ttdeci">class MagickPPExport Geometry</div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8h_source.html#l00021">Geometry.h:21</a></div></div>
<div class="ttc" id="classMagick_1_1Image_html_a4a76381e3457d7c61364ac3ba8ea31e3"><div class="ttname"><a href="classMagick_1_1Image.html#a4a76381e3457d7c61364ac3ba8ea31e3">Magick::Image::scale</a></div><div class="ttdeci">void scale(const Geometry &amp;geometry_)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l04283">Image.cpp:4283</a></div></div>
<div class="ttc" id="classMagick_1_1Geometry_html"><div class="ttname"><a href="classMagick_1_1Geometry.html">Magick::Geometry</a></div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8h_source.html#l00037">Geometry.h:37</a></div></div>
<div class="ttc" id="classMagick_1_1Point_html_a5f48bcf1243f465cb27c814e638334fc"><div class="ttname"><a href="classMagick_1_1Point.html#a5f48bcf1243f465cb27c814e638334fc">Magick::Point::x</a></div><div class="ttdeci">double x(void) const</div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8cpp_source.html#l00703">Geometry.cpp:703</a></div></div>
<div class="ttc" id="classMagick_1_1Image_html_a3a367bfa1e18948e10b6112499f440b6"><div class="ttname"><a href="classMagick_1_1Image.html#a3a367bfa1e18948e10b6112499f440b6">Magick::Image::sample</a></div><div class="ttdeci">void sample(const Geometry &amp;geometry_)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l04261">Image.cpp:4261</a></div></div>
<div class="ttc" id="classMagick_1_1Image_html_a4110bebbe7a1fe8f4c6219b0bf45f598"><div class="ttname"><a href="classMagick_1_1Image.html#a4110bebbe7a1fe8f4c6219b0bf45f598">Magick::Image::rows</a></div><div class="ttdeci">size_t rows(void) const</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l01352">Image.cpp:1352</a></div></div>
<div class="ttc" id="classMagick_1_1Image_html_a1f61d13e9fc82b75cd62e7da46e2c7fc"><div class="ttname"><a href="classMagick_1_1Image.html#a1f61d13e9fc82b75cd62e7da46e2c7fc">Magick::Image::columns</a></div><div class="ttdeci">size_t columns(void) const</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l00590">Image.cpp:590</a></div></div>
<div class="ttc" id="zoom_8cpp_html_a2212cadf18ac91aea061ec8f8ec06784"><div class="ttname"><a href="zoom_8cpp.html#a2212cadf18ac91aea061ec8f8ec06784">Usage</a></div><div class="ttdeci">static void Usage(char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="zoom_8cpp_source.html#l00020">zoom.cpp:20</a></div></div>
<div class="ttc" id="classMagick_1_1Point_html_ae8a8dec67dc89dd273793089337fa060"><div class="ttname"><a href="classMagick_1_1Point.html#ae8a8dec67dc89dd273793089337fa060">Magick::Point::y</a></div><div class="ttdeci">double y(void) const</div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8cpp_source.html#l00708">Geometry.cpp:708</a></div></div>
<div class="ttc" id="zoom_8cpp_html_a3c04138a5bfe5d72780bb7e82a18e627"><div class="ttname"><a href="zoom_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a></div><div class="ttdeci">int main(int argc, char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="zoom_8cpp_source.html#l00037">zoom.cpp:37</a></div></div>
<div class="ttc" id="namespaceMagick_html"><div class="ttname"><a href="namespaceMagick.html">Magick</a></div><div class="ttdef"><b>Definition:</b> <a href="Blob_8h_source.html#l00017">Blob.h:17</a></div></div>
<div class="ttc" id="namespaceMagick_html_ae9a4f92303d2fc6074f91181db864be1"><div class="ttname"><a href="namespaceMagick.html#ae9a4f92303d2fc6074f91181db864be1">Magick::InitializeMagick</a></div><div class="ttdeci">MagickPPExport void InitializeMagick(const char *path_)</div><div class="ttdef"><b>Definition:</b> <a href="Functions_8cpp_source.html#l00045">Functions.cpp:45</a></div></div>
<div class="ttc" id="classMagick_1_1Image_html"><div class="ttname"><a href="classMagick_1_1Image.html">Magick::Image</a></div><div class="ttdef"><b>Definition:</b> <a href="Image_8h_source.html#l00055">Image.h:55</a></div></div>
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